- A
AWS Config
Why wrong: AWS Config evaluates and records configuration changes against rules, but it does not automate the patching of instances or provide patch management capabilities.
- B
AWS Systems Manager
AWS Systems Manager includes Patch Manager, which automates the process of patching managed instances with security updates and provides compliance reporting across the fleet.
- C
Amazon Inspector
Why wrong: Amazon Inspector is a vulnerability management service that scans for software vulnerabilities and unintended network exposure, but it does not apply patches or manage patching workflows.
- D
AWS Trusted Advisor
Why wrong: AWS Trusted Advisor inspects your environment and makes recommendations for cost optimization, performance, security, and fault tolerance, but it cannot automate patching or track patch compliance.
CLF-C02 Cloud Technology and Services Practice Question
This CLF-C02 practice question tests your understanding of cloud technology and services. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company manages a fleet of hundreds of Amazon EC2 instances running across multiple AWS Regions. The company's security policy requires that all instances be patched with the latest security updates within 7 days of release. The operations team currently logs in to each instance manually to apply patches, which is time-consuming and error-prone. The team wants to automate the patching process, track compliance across all instances, and receive reports on patch status. The solution must not require any changes to the existing application code or the use of additional third-party software. Which AWS service should the operations team use to meet these requirements?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
AWS Systems Manager
AWS Systems Manager is the correct choice because it provides Patch Manager, a native capability that automates the patching of EC2 instances across multiple Regions without requiring any changes to application code or third-party software. It also integrates with Systems Manager Compliance to track patch status and generate reports, meeting all stated requirements.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AWS Config
Why it's wrong here
AWS Config evaluates and records configuration changes against rules, but it does not automate the patching of instances or provide patch management capabilities.
- ✓
AWS Systems Manager
Why this is correct
AWS Systems Manager includes Patch Manager, which automates the process of patching managed instances with security updates and provides compliance reporting across the fleet.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Amazon Inspector
Why it's wrong here
Amazon Inspector is a vulnerability management service that scans for software vulnerabilities and unintended network exposure, but it does not apply patches or manage patching workflows.
- ✗
AWS Trusted Advisor
Why it's wrong here
AWS Trusted Advisor inspects your environment and makes recommendations for cost optimization, performance, security, and fault tolerance, but it cannot automate patching or track patch compliance.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS Config (which tracks configuration changes) with Systems Manager (which can both track and remediate), leading them to choose Config for compliance reporting while overlooking the patching automation requirement.
Detailed technical explanation
How to think about this question
AWS Systems Manager Patch Manager uses a patch baseline (which can be predefined or custom) to define which patches are approved for installation, and it leverages SSM Agent on each EC2 instance to execute the patching workflow. The service can scan instances for missing patches and apply them on a schedule using maintenance windows, with results stored in Systems Manager Inventory and Compliance for centralized reporting. In real-world scenarios, Patch Manager can handle cross-Region patching by targeting instance tags or resource groups, and it supports both Windows Server (using Windows Update API) and Linux (using yum, apt, or zypper) distributions.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Cloud Technology and Services — This question tests Cloud Technology and Services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AWS Systems Manager — AWS Systems Manager is the correct choice because it provides Patch Manager, a native capability that automates the patching of EC2 instances across multiple Regions without requiring any changes to application code or third-party software. It also integrates with Systems Manager Compliance to track patch status and generate reports, meeting all stated requirements.
What should I do if I get this CLF-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This CLF-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CLF-C02 exam.
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